多个where条件笨(multiple where condition codeigniter)

2019-07-29 08:28发布

我怎样才能转换此查询到活动记录?

"UPDATE table_user 
 SET email = '$email', last_ip = '$last_ip' 
 where username = '$username' and status = '$status'";

我试图查询转换上面:

$data = array('email' => $email, 'last_ip' => $ip);
$this->db->where('username',$username);
$this->db->update('table_user',$data);

如何使用where clausa状态?

# must i write db->where two times like this?
$this->db->where('username',$username);
$this->db->where('status',$status);

我也试过这样:

$this->db->where('username',$username,'status',$status);

Answer 1:

你可以使用一个数组,数组传递。

Associative array method:
$array = array('name' => $name, 'title' => $title, 'status' => $status);

$this->db->where($array); 

// Produces: WHERE name = 'Joe' AND title = 'boss' AND status = 'active'

或者,如果你想要做的比=对比其他的东西

$array = array('name !=' => $name, 'id <' => $id, 'date >' => $date);

$this->db->where($array);


Answer 2:

是的,到了那里)多次调用(就是实现这个一个完全有效的方式。

$this->db->where('username',$username);
$this->db->where('status',$status);

http://www.codeigniter.com/user_guide/database/query_builder.html



Answer 3:

你可以试试这个功能的多功能

function ManageData($table_name='',$condition=array(),$udata=array(),$is_insert=false){
$resultArr = array();
$ci = & get_instance();
if($condition && count($condition))
    $ci->db->where($condition);
if($is_insert)
{
    $ci->db->insert($table_name,$udata);
    return 0;
}
else
{
    $ci->db->update($table_name,$udata);
    return 1;
}

}



Answer 4:

试试这个

$data = array(
               'email' =>$email,
               'last_ip' => $last_ip
            );

$where = array('username ' => $username , 'status ' => $status);
$this->db->where($where);
$this->db->update('table_user ', $data); 


Answer 5:

它是这个答案晚,但我想,也许还能帮助,我尝试上述两种方法,使用两个地方条件和阵列的方法,没有这些工作,为我做过一些测试和条件从未得到执行,因此,我做了一个解决办法,这里是我的代码:

public function validateLogin($email, $password){
        $password = md5($password);
        $this->db->select("userID,email,password");
        $query = $this->db->get_where("users", array("email" => $email));
        $p = $query->row_array();

        if($query->num_rows() == 1 && $password == $p['password']){  
            return $query->row();
        }

    }


Answer 6:

您可以同时使用使用数组,如:

$array = array('tlb_account.crid' =>$value , 'tlb_request.sign'=> 'FALSE' );

和直接分配,如:

$this->db->where('tlb_account.crid' =>$value , 'tlb_request.sign'=> 'FALSE');

我想帮你。



Answer 7:

    $query = $this->db->select('*')
        ->where(['email' => $email, 'status' => $status])
        ->get('mp_user');
    $result = $query->row_array();
    return $result;


文章来源: multiple where condition codeigniter
标签: codeigniter